On Thu, Jan 27, 2022 at 06:56:57PM +0800, Julien Rouhaud wrote: > > What it's showing is the "currently ongoing checkpoint or last completed > checkpoint" kind.
Ah after double checking I see it's storing the information *after* the checkpoint completion, so it's indeed the last completed checkpoint. I'm not sure how useful it can be, but ok. > Also, it's only showing the initial triggering conditions of checkpoints. > For instance, if a timed checkpoint is started and then a backend executes a > "CHECKPOINT;", it will upgrade the ongoing checkpoint with additional flags > but > AFAICS those new flags won't be saved to the control file. This one is still valid I think, it's only storing the initial flags and not the possibly upgraded one in shmem.
